How can we synchronized symbols for P25 C4FM demodulation?

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Shubham Singh
Shubham Singh 2023-8-14
评论： Saksham 2023-8-25
In case of P25 C4FM demodulation , how can we synchronised the signals in matlab so that we should know exactly the point at which the received signal is getting started ?
In LiquidDSP , it is given like this - https://github.com/jgaeddert/liquid-dsp/blob/master/examples/symsync_crcf_example.c
  1 个评论
Saksham
Saksham 2023-8-25
Hi Shubham,
I understand that you wish to know about synchronizing signals in MATLAB to know the point at which received signal is getting started.
You can perform this finding ‘peak’ of the correlation result between the received signal and the synchronization pattern.
‘xcorr’ function and ‘corrcoef’ function might be helpful to you. Below is the link to their documentations:
https://in.mathworks.com/help/matlab/ref/xcorr.html
https://in.mathworks.com/help/matlab/ref/corrcoef.html
To explore more about synchronization in MATLAB, please refer to the following link:
https://in.mathworks.com/help/daq/synchronization.html
Sincerely,
Saksham

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